package com.jzy.gulimall.product.controller;

import com.jzy.common.utils.PageUtils;
import com.jzy.common.utils.R;
import com.jzy.gulimall.product.entity.CategoryEntity;
import com.jzy.gulimall.product.service.CategoryService;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.List;
import java.util.Map;


/**
 * 商品三级分类
 *
 * @author jzy
 * @email 1802511725@qq.com
 * @date 2020-07-11 10:08:13
 */
@RestController
@RequestMapping("product/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 分类维护 列表
     * 查出所有分类以及子分类,以树形结构组装起来
     */
    @RequestMapping("/list/tree")
    public R listWithTree(){
        List<CategoryEntity> entities = categoryService.listWithTree();
        return R.ok().put("data", entities);
    }

    /**
     * 列表
     */
    @RequestMapping("/list")
    @RequiresPermissions("product:category:list")
    public R list(@RequestParam Map<String, Object> params){
        PageUtils page = categoryService.queryPage(params);

        return R.ok().put("page", page);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{catId}")
    @RequiresPermissions("product:category:info")
    public R info(@PathVariable("catId") Long catId){
		CategoryEntity category = categoryService.getById(catId);

        return R.ok().put("category", category);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    @RequiresPermissions("product:category:save")
    public R save(@RequestBody CategoryEntity category){
        categoryService.save(category);

        return R.ok();
    }

    /**
     * 分类维护 修改
     * 需要保证其他表冗余字段的更新
     */
    @RequestMapping("/update")
    @RequiresPermissions("product:category:update")
    public R update(@RequestBody CategoryEntity category){
        categoryService.updateCascadeById(category);

        return R.ok();
    }

    /**
     * 分类维护 拖拽 修改
     * 分类列表拖拽后修改其level sort parentId等数据
     */
    @CacheEvict(value = {"category"}, allEntries = true)
    @RequestMapping("/update/sort")
    public R updateSort(@RequestBody CategoryEntity[] category){
        categoryService.updateBatchById(Arrays.asList(category));
        return R.ok();
    }

    /**
     * 分类维护 删除
     * RequestBody:获取请求体,必须发送post请求
     * springMvc自动将请求体的数据(json),转为对应的对象
     */
    @RequestMapping("/delete")
    @RequiresPermissions("product:category:delete")
    public R delete(@RequestBody Long[] catIds){
        categoryService.removeMenuByIds(Arrays.asList(catIds));
        return R.ok();
    }

}
